EXHIBIT 4 6.(b) AMENDMENT NO. 2 TO CREDIT AGREEMENT Amendment No. 2 (the "Amendment") is dated as of June 1, 1993, among CBI Industries, Inc., a Delaware corporation (the "Company"), each Specified Subsidiary that becomes a party to the Credit Agreement pursuant to Section 1.4, the financial institutions listed on the signature pages of this Amendment under the heading "Banks" (such financial institutions, and any successor financial institution that becomes a party to the Credit Agreement (as hereinafter defined) pursuant to Section 4.16 or 10.7 of the Credit Agreement, being hereinafter referred to as the "Banks"), and Ibis Investment, Inc., as bid advance agent under the Credit Agreement (such bid advance agent and any successor bid advance agent appointed pursuant to Section 9.8 of the Credit Agreement being hereinafter referred to as the "Bid Advance Agent"). WITNESSETH WHEREAS, the parties to this Amendment entered into that certain Credit Agreement dated as of December 4, 1992, as amended by Amendment No. 1 dated January 11, 1993 (the "Credit Agreement"); WHEREAS, the Company has requested a modification of the Current Ratio covenant contained in Section 7.6 of the Credit Agreement, to be accomplished by defining Consolidated Current Assets to include the unused portion of the Commitment; and WHEREAS, the Majority Banks and the Bid Advance Agent have consented to an amendment to accomplish the above request. NOW, THEREFORE, in consideration of the terms and conditions set forth herein, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows: 1. Unless otherwise specified herein, capitalized terms used but not otherwise defined shall have the meaning ascribed thereto in the Credit Agreement. 2. The Credit Agreement is amended to redefine the terms "Consolidated Current Assets" and "Consolidated Current Liabilities" in Section 1.1 of the Credit Agreement, as follows: "Consolidated Current Assets and Consolidated Current Liabilities means such assets and liabilities of the Company and its Restricted Subsidiaries on a consolidated basis as shall be determined in accordance with generally accepted accounting principles to constitute current assets and current liabilities, respectively, provided that: (a) Consolidated Current Assets shall exclude the amount, if any, by which earned revenues exceed related progress billings, to the extent such item constitutes an asset on the most recent balance sheet of the Company; (b) Consolidated Current Assets shall include the amount, if any, by which the total Commitment of the Banks exceeds the sum of outstanding Borrowings under the Credit Agreement plus all outstanding commercial paper of the Company; (c) Consolidated Current Liabilities shall exclude the amount, if any, by which progress billings exceed related earned revenues to the extent that such items constitutes a liability on the most recent balance sheet of the Company; and (d) Consolidated Current Liabilities shall include all Guaranties in respect of Current Debt." 3. Except as amended herein, all other terms of the Credit Agreement shall remain in full force and effect and are hereby ratified and confirmed as so amended. 4. This Amendment may be executed in any number of counterparts, each of which so executed shall be deemed an original, but all such counterparts shall constitute one and the same instrument. 5. This Amendment shall be governed by, and construed in accordance with, the internal laws (as distinguished from the conflicts of laws rules) of the State of Illinois. IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed and delivered by their proper and duly authorized officers as of the day and year first written above. CBI INDUSTRIES, INC. By: /s/ Buel T. Adams ______________________________________ Buel T. Adams Vice President and Treasurer IBIS INVESTMENTS, INC. By: Buel T. Adams _______________________________________ Buel T. Adams Vice President and Treasurer BANKS: BANK OF AMERICA NATIONAL TRUST & SAVINGS ASSOCIATION By: /s/ Daniel J. Boote _______________________________________ Daniel J. Boote Vice President By: /s/ M. Kathleen McVay _______________________________________ M. Kathleen McVay Vice President CONTINENTAL BANK N.A. By: /s/ G. William Marquardt ______________________________________ G. William Marquardt Senior Vice President ROYAL BANK OF CANADA By: /s/ Patricia A. Herbig ______________________________________ Patricia A. Herbig Manager BANK OF MONTREAL, CHICAGO BRANCH By: /s/ Hugh K. Brower ______________________________________ Hugh K. Brower Director THE NORTHERN TRUST COMPANY By: ______________________________________ Elaine H. Moore Vice President THE FIRST NATIONAL BANK OF CHICAGO By: /s/ Steven R. Fercho ______________________________________ Steven R. Fercho Vice President CHEMICAL BANK By: /s/ Christopher C. Wardell ______________________________________ Christopher C. Wardell Managing Director ABN-AMRO BANK, N.V. By: /s/ John W. Stanger ______________________________________ John W. Stanger Vice President By: /s/ Catheryn N. Fuller ______________________________________ Catheryn N. Fuller Vice President BARCLAYS BANK PLC By: ______________________________________ Olga Georgiev Vice President By: ______________________________________ Frank J. Sisinni Vice President CREDIT LYONNAIS CHICAGO BRANCH By: /s/ Sandra E. Horwitz ______________________________________ Sandra E. Horwitz Vice President CREDIT LYONNAIS CAYMAN ISLAND BRANCH By: /s/ Sandra E. Horwitz ______________________________________ Sandra E. Horwitz Authorized Signature SOCIETE GENERALE By: /s/ Barbara S. Adelman ______________________________________ Barbara S. Adelman Vice President By: /s/ Charles M. Pierron ______________________________________ Charles M. Pierron Regional Manager GULF INTERNATIONAL BANK By: /s/ Haytham F. Khalil ______________________________________ Haytham F. Khalil Assistant Vice President By: /s/ Issa N. Baconi ______________________________________ Issa N. Baconi Senior Vice President & Branch Manager